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  1. Evaluating the physicochemical properties and efficacy of recently expired and aged antivenom products from Thailand and Taiwan
    Tan KY, Liew ST, Tan QY, Abdul-Rahman FN, Azmi NI, Sim SM, et al.
    Toxicon, 2019 Mar 15;160:55-58.
    PMID: 30797900 DOI: 10.1016/j.toxicon.2019.02.010
    Gel filtration chromatography and gel electrophoresis revealed minimal protein degradation in lyophilized antivenoms which were 2-year expired (Hemato Polyvalent, Neuro Polyvalent; Thailand) and 18-year expired (Hemato Bivalent, Neuro Bivalent; Taiwan). All expired antivenoms retained immunological binding activity, and were able to neutralize the hemotoxic or neurotoxic as well as lethal effects of the homologous snake venoms. The findings show that antivenoms under proper storage conditions may remain relatively stable beyond the indicated shelf life.
    Matched MeSH terms: Snake Venoms/antagonists & inhibitors
  2. Fulltext Antihaemolytic and snake venom neutralizing effect of some Indian medicinal plants
    Kumarapppan C, Jaswanth A, Kumarasunderi K
    Asian Pac J Trop Med, 2011 Sep;4(9):743-7.
    PMID: 21967700 DOI: 10.1016/S1995-7645(11)60185-5
    OBJECTIVE: To validate traditional claims of usefulness of the Indian plants in management of poisonous snakebite and evaluate the antivenom properties displayed by the alcoholic extracts of Andrographis paniculata (A. paniculata), Crateva magna (C. magna), Gloriosa superba (G. superba) and Hydrocotyle javanica (H. javanica).

    METHODS: These plants were collected, identified and the extracts were prepared by using conventional Soxhlet ethanol extraction technique. The venom neutralization activity was accessed in mice (20-25g) and number of mortalities was observed against clinically important snake (Naja nigricollis) venom. Present study also deals with in vitro membrane stabilizing activity of these plants against hyposaline induced human red blood corpuscles (HRBC).

    RESULTS: Extracts of H. javanica and G. superba gave 80 % and 90 % protection to mice treated with minimum lethal dose of venom (LD(99)). These two plants showed significant neutralization effect against the venoms of Naja nigricollis venom. H. javanica and G. superba (25-100 mg/mL) produced significant changes of membrane stabilization of human red blood cells (HRBC) exposed to hyposaline-induced haemolysis.

    CONCLUSIONS: We conclude that probably due to presence of various phytochemicals plays an important role in the anti-venom potential of these Indian medicinal plants against Naja nigricollis venom. The above observations confirmed that A. paniculata, C. magna, G. superba and H. javanica plant extracts possess potent snake venom neutralizing capacity and could potentially be used as an adjuvants for antivenin therapy in case of snakebite envenomation, especially against the local effects of cobra venoms.

    Matched MeSH terms: Snake Venoms/antagonists & inhibitors*
  3. The protective effect of Mucuna pruriens seeds against snake venom poisoning
    Tan NH, Fung SY, Sim SM, Marinello E, Guerranti R, Aguiyi JC
    J Ethnopharmacol, 2009 Jun 22;123(2):356-8.
    PMID: 19429384 DOI: 10.1016/j.jep.2009.03.025
    The seed, leaf and root of Mucuna pruriens have been used in traditional medicine for treatments of various diseases. In Nigeria, the seed is used as oral prophylactics for snakebite.
    Matched MeSH terms: Snake Venoms/antagonists & inhibitors*
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